package top.psjj.news.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @Auther:小陈的Java
 */
public class LongFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) servletRequest;
        HttpServletResponse resp = (HttpServletResponse) servletResponse;
        HttpSession session = req.getSession();
        Object admin = session.getAttribute("currentAdmin");
        if(admin==null){
            resp.sendRedirect(req.getContextPath()+"/admin?method=loginUI");
        } else {
            filterChain.doFilter(req,resp);
        }
    }
    @Override
    public void destroy() {

    }
}
